Warning: Cannot modify Header information – headers already sent

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NOTICE: We've Moved to a Ticket System for Support

As of August 31, 2017 (12am EST) our support forums will be retired (read-only), and we will be moving to a support ticket system.  This will allow us to better organize and answer support requests, and provide a more personalized experience as we assist our customers.

For the time being, we will leave our forums open for reading and learning while we work on creating a more robust Knowledge Base for everyone to use.

If you are a WC Vendors Pro customer please open a support ticket here. 

If you are a WC Vendors user please open a support ticket on the Wordpress.org forums.

The information on this forum is outdated and in most instances no longer relevant. Please be sure to check our documentation for the most up to date information.

https://docs.wcvendors.com/

Thank you to all of our customers!

 

Viewing 10 posts - 1 through 10 (of 10 total)
  • Author
    Posts
  • September 23, 2015 at 10:08 pm #9166
    Garry
    Participant

    Ben / WC-Vendors hello

    WC Vendors Version 1.7.8
    WooCommerce Version 2.4.7
    WP 4.3.1

    attempting to modify/save Shop Settings vendor info when logged in as vendor results in:

    Shop Settings

    http://mydomain.com/wp-admin/admin.php?page=wcv-vendor-shopsettings

    Warning: Cannot modify Header information – headers already sent by (output started at /home1/public_html/wordpress/wp-content/plugins/wc-vendors/classes/admin/class-vendor-admin-dashboard.php:86) in /home1/public_html/wordpress/wp-includes/option.php on line 787

    Warning: Cannot modify header information – headers already sent by (output started at /home1/public_html/wordpress/wp-content/plugins/wc-vendors/classes/admin/class-vendor-admin-dashboard.php:86) in /home1/public_html/wordpress/wp-includes/option.php on line 788

    Can save Shop Settings (user) data OK and no error messages when logged in as ADMIN, from here
    http://mydomain/wp-admin/user-edit.php?user_id=5&wp_http_referer=%2Fwp-admin%2Fusers.php

    thanks – GARRY

    September 23, 2015 at 10:11 pm #9167
    WC Vendors Support
    Participant

    Hi Garry,

    I just tested this on our development server, and am unable to replicate the issue. I logged in as a vendor, went to shop settings, changed stuff, and then clicked Save. It reloaded the page and said “Settings Saved” at the top like it should.

    Chances are, it’s not WC Vendors causing this problem, but another plugin that is outputting headers too soon. If you disable a plugin at a time and re-run your test as a vendor, you’ll track down which one is causing this problem for you.

    Cheer

    Ben

    September 24, 2015 at 12:49 am #9172
    Garry
    Participant

    OK thanks, will do some more testing – GARRY

    September 24, 2015 at 1:04 am #9173
    Garry
    Participant

    ooops… looks like I’m not the only one with this problem,

    Error messages

    September 24, 2015 at 10:27 am #9180
    WC Vendors Support
    Participant

    Yes, and she fixed it, was not WC Vendors related. 🙂

    September 30, 2015 at 1:18 pm #9388
    Garry
    Participant

    Hi – I’m back for some more fun.

    This (above) error message continues even though **everything else** disabled?

    occurs from: wp-admin/admin.php?page=wcv-vendor-shopsettings

    running just vanilla:
    ———————————————–
    WP 4.3.1

    Active Plugins (2)
    WC Vendors by WC Vendors – 1.7.8
    WooCommerce by WooThemes – 2.4.7

    Theme woothemes.com Storefront 1.5.1
    ———————————————–

    strange…

    no else running into this?

    thanks – GARRY, Los Angeles

    September 30, 2015 at 2:01 pm #9390
    Garry
    Participant

    Ben hi – thanks for the speedy response.

    Can you please try editing an existing Vendor Settings, and then saving? this is when my error occurs… running on a Vanilla WooCommerce theme.. no custom mod’s.

    will solve issue, sooner or later…

    (p.s. me new to WP world, came from Drupal, Magento etc. — looking for small company to take on our front end work, some custom back end. any recommendations are welcome.)

    thanks – GARRY

    September 30, 2015 at 2:14 pm #9391
    WC Vendors Support
    Participant

    Yup, here’s the screenshot after saving the settings as a vendor:

    View post on imgur.com

    Front end work? Tough to make a recommendation. I’d post up in the WooCommerce Facebook Group and you’ll get a thousand replies. 🙂

    November 13, 2015 at 11:38 am #15339
    WC Vendors Support
    Participant

    @Drophit — While that error references WC Vendors, it’s not a WC Vendors error. It means another plugin on your website is sending text/space before WC Vendors loads. Disable other plugins, figure out which one it is, and that’s the problem to fix. 🙂

    Cheers

    Ben

    August 2, 2016 at 12:20 am #38850
    DENISEC
    Participant

    Hello Ben,
    I hve the same problem… I already disable all the plugins except woocommerce and wc vendors and is the same message:

    Warning: Cannot modify header information – headers already sent by (output started at /home/trendyfi/public_html/wp-content/plugins/wc-vendors/classes/admin/class-vendor-admin-dashboard.php:86) in /home/trendyfi/public_html/wp-includes/option.php on line 823

    Warning: Cannot modify header information – headers already sent by (output started at /home/trendyfi/public_html/wp-content/plugins/wc-vendors/classes/admin/class-vendor-admin-dashboard.php:86) in /home/trendyfi/public_html/wp-includes/option.php on line 824

    Could you help me please? I don’t understand what’s happening :s

  • Author
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Viewing 10 posts - 1 through 10 (of 10 total)
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